#0B403E#0B403E

#0B403E is a dark, muted teal. Relative luminance 0.041; OKLCH L 33.8% C 0.053 H 191.2°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#0B403E
RGB	rgb(11, 64, 62)
HSL	hsl(178, 71%, 15%)
HSV	hsv(178, 83%, 25%)
CMYK	cmyk(82.8%, 0%, 3.1%, 74.9%)
CIE-LAB	lab(23.95, -17.04, -3.66)
CIE-LCH	lch(23.95, 17.43, 192.11°)
OKLab	oklab(33.81% -0.0518 -0.0102)
OKLCH	oklch(33.81% 0.053 191.2)
XYZ	xyz(2.8405, 4.0854, 5.1953)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B403E #400B0D

analogous

#0B4024 #0B403E #0B2840

triadic

#0B403E #3E0B40 #403E0B

tetradic

#0B403E #240B40 #400B0D #28400B

square

#0B403E #240B40 #400B0D #28400B

split-complementary

#0B403E #400B28 #40240B

monochromatic

#041A19 #041A19 #0B403E #147471 #1DA8A3

Accessibility & contrast

On white

11.56

#0B403E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#0B403E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B403E

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B403E	#FFFFFF	#000000	##FFFFFF
##0B403E	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3C3E

Deuteranopia (green-blind)

#34373E

Tritanopia (blue-blind)

#00423F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0b403e;
/* rgb */ color: rgb(11, 64, 62);
/* oklch */ color: oklch(33.8% 0.053 191.2);

Tailwind

colors: {
  custom: {
    50: '#557573',
    500: '#0b403e',
    950: '#000000',
  },
}

SCSS

$custom: #0b403e;
$custom-light: #557573;
$custom-dark: #000000;

JSON

{
  "hex": "#0b403e",
  "rgb": {
    "r": 11,
    "g": 64,
    "b": 62
  },
  "hsl": {
    "h": 177.736,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.33808,
    "c": 0.05284,
    "h": 191.2
  },
  "luminance": 0.04086
}

Semantic roles & 50–950 ramp

primary

#0B403E

secondary

#7D2A2D

accent

#3A41ED

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030808

muted

#787B7B

Preview Lab

Preview with #0B403E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →